/**
* @param int $lastN
* @return string[]
*/
private function getLastNTableMonths($lastN)
{
$now = Date::factory('now');
$result = array();
for ($i = 0; $i < $lastN; ++$i) {
$date = $now->subMonth($i + 1);
$result[] = ArchiveTableCreator::getTableMonthFromDate($date);
}
return $result;
}
/**
* Called when deleting all periods.
*
* @param Date[] $dates
* @return string[][][]
*/
private function getDatesByYearMonthAndPeriodType($dates)
{
$result = array();
foreach ($dates as $date) {
$yearMonth = ArchiveTableCreator::getTableMonthFromDate($date);
$result[$yearMonth][null][] = $date->toString();
// since we're removing all periods, we must make sure to remove year periods as well.
// this means we have to make sure the january table is processed.
$janYearMonth = $date->toString('Y') . '_01';
$result[$janYearMonth][null][] = $date->toString();
}
return $result;
}
